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Impact of Airflow Communication between Nasal Cavities on Nasal Ventilation

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机构: [1]Department of Otolaryngology, Head and Neck Surgery, State Key Laboratory of Otolaryngology, Head and Neck Surgery, Ministry of Education, Beijing Tongren Hospital, Capital Medical University, Beijing [2]Department of Engineering Mechanics, State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian , China
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关键词: Nasal septal deviation Chronic rhinosinusitis Aerodynamics Correlation Computational fluid dynamics

摘要:
Objective: To investigate the impact of airflow communication between bilateral nostril sides on nasal ventilation. In addition, we try to validate the efficacy of the Draf III procedure from the aerodynamics perspective. Methods: One health model and two disease models were constructed. These included 2 patients with nasal septum perforation and 1 patient who received the Draf III procedure. With the computational fluid dynamics method, indices such as airflow velocity and wall shear stress in the nasal cavity were detected and compared among the 3 subjects. Results: The main pathway for airflow in the nasal cavity is the common meatus. Little airflow exchange occurred in the patient who underwent the Draf III procedure, and the wall shear stress around the communication site was as low as in the adjacent areas. However, when airflow communication occurred in the lower part of the nasal cavity, the airflow velocity and wall shear stress were obviously altered, and the ventilation function of the nasal cavity was impaired. Conclusion: Airflow communication in the upper part of the nasal cavity has little impact on nasal ventilation. Nonetheless, airflow communication occurring in the lower part of the nasal cavity disturbs the overall airflow distribution and a repair procedure is necessary. (C) 2013 S. Karger AG, Basel

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出版当年[2012]版:
大类 | 4 区 医学
小类 | 4 区 耳鼻喉科学
最新[2023]版:
大类 | 4 区 医学
小类 | 4 区 耳鼻喉科学
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出版当年[2011]版:
Q3 OTORHINOLARYNGOLOGY
最新[2023]版:
Q2 OTORHINOLARYNGOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2011版] 出版当年五年平均 出版前一年[2010版] 出版后一年[2012版]

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第一作者机构: [1]Department of Otolaryngology, Head and Neck Surgery, State Key Laboratory of Otolaryngology, Head and Neck Surgery, Ministry of Education, Beijing Tongren Hospital, Capital Medical University, Beijing [*1]No. 1 Dongjiaominxiang,Dongcheng District, Beijing 100730 (China)
通讯作者:
通讯机构: [1]Department of Otolaryngology, Head and Neck Surgery, State Key Laboratory of Otolaryngology, Head and Neck Surgery, Ministry of Education, Beijing Tongren Hospital, Capital Medical University, Beijing [*1]No. 1 Dongjiaominxiang,Dongcheng District, Beijing 100730 (China)
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